{"id":13373,"date":"2026-03-02T10:14:34","date_gmt":"2026-03-02T10:14:34","guid":{"rendered":"https:\/\/korcosmetics.vn\/"},"modified":"2026-03-19T04:17:54","modified_gmt":"2026-03-19T04:17:54","slug":"tim-hieu-chi-so-spf-va-pa-de-lua-chon-kem-chong-nang-phu-hop","status":"publish","type":"post","link":"https:\/\/korcosmetics.vn\/ko\/tim-hieu-chi-so-spf-va-pa-de-lua-chon-kem-chong-nang-phu-hop\/","title":{"rendered":"\uc801\ud569\ud55c \uc120\ud06c\ub9bc \uc120\ud0dd\uc744 \uc704\ud55c SPF\uc640 PA \uc9c0\uc218 \uc774\ud574\ud558\uae30"},"content":{"rendered":"

D\u00f9 b\u1ea1n c\u00f3 \u0111\u1ea7u t\u01b0 h\u00e0ng ch\u1ee5c tri\u1ec7u \u0111\u1ed3ng v\u00e0 m\u1ef9 ph\u1ea9m, t\u1ea5t c\u1ea3 s\u1ebd tr\u1edf n\u00ean v\u00f4 ngh\u0129a n\u1ebfu l\u00e0n da kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi. Tuy nhi\u00ean, vi\u1ec7c \u0111\u1ecdc hi\u1ec3u c\u00e1c th\u00f4ng s\u1ed1 tr\u00ean bao b\u00ec l\u1ea1i l\u00e0 m\u1ed9t b\u00e0i to\u00e1n kh\u00f3 v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi. B\u1ea1n \u0111\u00e3 bao gi\u1edd c\u1ea7m m\u1ed9t tu\u00fdp kem ch\u1ed1ng n\u1eafng l\u00ean v\u00e0 t\u1ef1 h\u1ecfi <\/span><\/i>SPF l\u00e0 g\u00ec<\/i><\/b>, <\/span><\/i>PA l\u00e0 g\u00ec<\/i><\/b>, hay l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 hi\u1ec3u \u0111\u00fang v\u1ec1 <\/span><\/i>ch\u1ec9 s\u1ed1 SPF v\u00e0 PA<\/i><\/b>?\u00a0<\/span><\/i><\/p>\n

B\u00e0i vi\u1ebft n\u00e0y c\u1ee7a KOR<\/strong><\/a> s\u1ebd l\u00e0 cu\u1ed1n c\u1ea9m nang to\u00e0n t\u1eadp, gi\u00fap b\u1ea1n gi\u1ea3i m\u00e3 m\u1ecdi k\u00fd hi\u1ec7u ph\u1ee9c t\u1ea1p, \u0111\u1ed3ng th\u1eddi h\u01b0\u1edbng d\u1eabn <\/span><\/i>c\u00e1ch ch\u1ecdn kem ch\u1ed1ng n\u1eafng<\/i><\/b> chu\u1ea9n khoa h\u1ecdc nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u00e0n da m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u.<\/span><\/i><\/p>\n

1. K\u1ebb Th\u00f9 C\u1ee7a L\u00e0n Da: UVA v\u00e0 UVB Kh\u00e1c Nhau Th\u1ebf N\u00e0o?<\/b><\/h2>\n

Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o t\u00ecm hi\u1ec3u c\u00e1c ch\u1ec9 s\u1ed1 b\u1ea3o v\u1ec7, ch\u00fang ta c\u1ea7n bi\u1ebft m\u00ecnh \u0111ang ch\u1ed1ng l\u1ea1i c\u00e1i g\u00ec. \u00c1nh s\u00e1ng m\u1eb7t tr\u1eddi ph\u00e1t ra tia c\u1ef1c t\u00edm (UV – Ultraviolet), v\u00e0 c\u00f3 hai lo\u1ea1i tia UV ch\u00ednh c\u00f3 kh\u1ea3 n\u0103ng xuy\u00ean qua t\u1ea7ng ozone, t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp l\u00ean l\u00e0n da c\u1ee7a ch\u00fang ta: tia UVA v\u00e0 tia UVB. V\u1eady <\/span>UVA v\u00e0 UVB kh\u00e1c nhau th\u1ebf n\u00e0o<\/b>?<\/span><\/p>\n

\"\"
K\u1ebb Th\u00f9 C\u1ee7a L\u00e0n Da: UVA v\u00e0 UVB Kh\u00e1c Nhau Th\u1ebf N\u00e0o<\/figcaption><\/figure>\n

1.1. Tia UVB (Ultraviolet B) – K\u1ebb G\u00e2y B\u1ecfng R\u00e1t<\/b><\/h3>\n

Tia UVB c\u00f3 b\u01b0\u1edbc s\u00f3ng ng\u1eafn (kho\u1ea3ng 290 – 320 nm). \u0110\u00e2y l\u00e0 lo\u1ea1i tia mang n\u0103ng l\u01b0\u1ee3ng cao, t\u00e1c \u0111\u1ed9ng ch\u1ee7 y\u1ebfu l\u00ean l\u1edbp bi\u1ec3u b\u00ec (l\u1edbp ngo\u00e0i c\u00f9ng c\u1ee7a da).<\/span><\/p>\n

    \n
  • T\u00e1c h\u1ea1i:<\/b> UVB ch\u00ednh l\u00e0 th\u1ee7 ph\u1ea1m g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ch\u00e1y n\u1eafng, \u0111\u1ecf r\u00e1t, ph\u1ed3ng r\u1ed9p da khi b\u1ea1n \u0111i bi\u1ec3n ho\u1eb7c ph\u01a1i n\u1eafng qu\u00e1 l\u00e2u. T\u1ec7 h\u01a1n, tia UVB \u0111\u00f3ng vai tr\u00f2 ch\u00ednh trong vi\u1ec7c l\u00e0m t\u1ed5n th\u01b0\u01a1ng DNA c\u1ee7a t\u1ebf b\u00e0o da, g\u00e2y ra c\u00e1c b\u1ec7nh l\u00fd nguy hi\u1ec3m nh\u01b0 ung th\u01b0 da h\u1eafc t\u1ed1.<\/span><\/li>\n
  • \u0110\u1eb7c \u0111i\u1ec3m:<\/b> Tia UVB ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh nh\u1ea5t t\u1eeb 10 gi\u1edd s\u00e1ng \u0111\u1ebfn 4 gi\u1edd chi\u1ec1u v\u00e0 \u0111\u1eb7c bi\u1ec7t m\u1ea1nh v\u00e0o m\u00f9a h\u00e8. Tuy nhi\u00ean, tin m\u1eebng l\u00e0 UVB c\u00f3 th\u1ec3 b\u1ecb ch\u1eb7n l\u1ea1i m\u1ed9t ph\u1ea7n b\u1edfi k\u00ednh c\u1eeda s\u1ed5 v\u00e0 m\u00e2y m\u00f9.<\/span><\/li>\n<\/ul>\n

    1.2. Tia UVA (Ultraviolet A) – K\u1ebb H\u1ee7y Di\u1ec7t Th\u1ea7m L\u1eb7ng<\/b><\/h3>\n

    Tia UVA c\u00f3 b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n (kho\u1ea3ng 320 – 400 nm) v\u00e0 chi\u1ebfm t\u1edbi 95% l\u01b0\u1ee3ng tia UV ch\u1ea1m t\u1edbi m\u1eb7t \u0111\u1ea5t.<\/span><\/p>\n

    \u0110i\u1ec1u \u0111\u00e1ng s\u1ee3 nh\u1ea5t c\u1ee7a tia UVA l\u00e0 n\u00f3 hi\u1ec7n di\u1ec7n v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i trong su\u1ed1t c\u1ea3 ng\u00e0y, t\u1eeb l\u00fac m\u1eb7t tr\u1eddi m\u1ecdc \u0111\u1ebfn l\u00fac m\u1eb7t tr\u1eddi l\u1eb7n, b\u1ea5t k\u1ec3 ng\u00e0y n\u1eafng hay ng\u00e0y m\u01b0a, m\u00f9a \u0111\u00f4ng hay m\u00f9a h\u00e8. N\u00f3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng xuy\u00ean qua m\u00e2y, s\u01b0\u01a1ng m\u00f9, c\u1eeda k\u00ednh \u00f4 t\u00f4, c\u1eeda s\u1ed5 v\u0103n ph\u00f2ng v\u00e0 c\u1ea3 qu\u1ea7n \u00e1o m\u1ecfng.<\/span><\/p>\n

    2. Gi\u1ea3i M\u00e3 Chi Ti\u1ebft C\u00e1c Ch\u1ec9 S\u1ed1 Tr\u00ean Kem Ch\u1ed1ng N\u1eafng<\/b><\/h2>\n

    \u0110\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi hai “k\u1ebb th\u00f9” UVA v\u00e0 UVB, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u1ea1o ra c\u00e1c th\u01b0\u1edbc \u0111o ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a m\u1ef9 ph\u1ea9m. \u0110\u00f3 ch\u00ednh l\u00e0 h\u1ec7 th\u1ed1ng ch\u1ec9 s\u1ed1 SPF v\u00e0 PA. V\u1eady ch\u00ednh x\u00e1c th\u00ec <\/span>ch\u1ec9 s\u1ed1 SPF v\u00e0 PA<\/b> th\u1ec3 hi\u1ec7n \u0111i\u1ec1u g\u00ec?<\/span><\/p>\n

    \"\"
    Gi\u1ea3i M\u00e3 Chi Ti\u1ebft C\u00e1c Ch\u1ec9 S\u1ed1 Tr\u00ean Kem Ch\u1ed1ng N\u1eafng<\/figcaption><\/figure>\n

    2.1. Ch\u1ec9 s\u1ed1 SPF l\u00e0 g\u00ec?<\/b><\/h3>\n

    SPF l\u00e0 g\u00ec<\/b>? SPF l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a <\/span>Sun Protection Factor<\/span><\/i> – Ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 l\u00e0n da ch\u1ed1ng l\u1ea1i tia <\/span>UVB<\/b> (tia g\u00e2y ch\u00e1y n\u1eafng). Ch\u1ec9 s\u1ed1 SPF c\u00e0ng cao, th\u1eddi gian da \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 d\u01b0\u1edbi n\u1eafng c\u00e0ng l\u00e2u v\u00e0 t\u1ef7 l\u1ec7 tia UVB b\u1ecb ng\u0103n ch\u1eb7n c\u00e0ng l\u1edbn.<\/span><\/p>\n

    Theo \u0111\u1ecbnh m\u1ee9c Qu\u1ed1c t\u1ebf, c\u00f3 hai c\u00e1ch \u0111\u1ec3 hi\u1ec3u v\u1ec1 ch\u1ec9 s\u1ed1 SPF:<\/span><\/p>\n

    Hi\u1ec3u theo th\u1eddi gian (Th\u1eddi gian b\u1ea3o v\u1ec7):<\/b>\u00a0<\/span><\/p>\n

    Theo l\u00fd thuy\u1ebft, 1 SPF t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi kho\u1ea3ng 10 – 15 ph\u00fat da \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi hi\u1ec7n t\u01b0\u1ee3ng ch\u00e1y n\u1eafng (t\u00f9y thu\u1ed9c v\u00e0o s\u1eafc t\u1ed1 da c\u1ee7a m\u1ed7i ng\u01b0\u1eddi).\u00a0<\/span><\/p>\n

    (*) V\u00ed d\u1ee5: N\u1ebfu da b\u1ea1n b\u00ecnh th\u01b0\u1eddng ch\u1ecbu \u0111\u01b0\u1ee3c 10 ph\u00fat d\u01b0\u1edbi n\u1eafng tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u \u1eedng \u0111\u1ecf, th\u00ec khi thoa kem ch\u1ed1ng n\u1eafng SPF 30, th\u1eddi gian b\u1ea3o v\u1ec7 s\u1ebd l\u00e0: 10 ph\u00fat x 30 = 300 ph\u00fat (kho\u1ea3ng 5 ti\u1ebfng). Tuy nhi\u00ean, \u0111\u00e2y ch\u1ec9 l\u00e0 con s\u1ed1 l\u00fd thuy\u1ebft trong \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng th\u00ed nghi\u1ec7m l\u00fd t\u01b0\u1edfng. Th\u1ef1c t\u1ebf, m\u1ed3 h\u00f4i, b\u00e3 nh\u1eddn v\u00e0 s\u1ef1 ma s\u00e1t s\u1ebd l\u00e0m gi\u1ea3m th\u1eddi gian n\u00e0y \u0111\u00e1ng k\u1ec3.<\/span><\/i><\/p>\n

    Hi\u1ec3u theo t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m (Kh\u1ea3 n\u0103ng che ch\u1eafn):<\/b> \u0110\u00e2y l\u00e0 c\u00e1ch hi\u1ec3u ch\u00ednh x\u00e1c v\u00e0 mang t\u00ednh \u1ee9ng d\u1ee5ng cao h\u01a1n:<\/span><\/p>\n

      \n
    • SPF 15 ch\u1eb7n \u0111\u01b0\u1ee3c kho\u1ea3ng 93% tia UVB.<\/span><\/li>\n
    • SPF 30 ch\u1eb7n \u0111\u01b0\u1ee3c kho\u1ea3ng 97% tia UVB.<\/span><\/li>\n
    • SPF 50 ch\u1eb7n \u0111\u01b0\u1ee3c kho\u1ea3ng 98% tia UVB.<\/span><\/li>\n
    • SPF 100 ch\u1eb7n \u0111\u01b0\u1ee3c kho\u1ea3ng 99% tia UVB.<\/span><\/li>\n<\/ul>\n

      2.2. S\u1ef1 th\u1eadt: SPF 30 hay SPF 50 t\u1ed1t h\u01a1n?<\/b><\/h3>\n

      Nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng r\u1eb1ng ch\u1ec9 s\u1ed1 SPF c\u00e0ng cao th\u00ec c\u00e0ng t\u1ed1t, d\u1eabn \u0111\u1ebfn vi\u1ec7c lu\u00f4n s\u0103n l\u00f9ng c\u00e1c lo\u1ea1i kem c\u00f3 SPF 80 hay SPF 100. V\u1eady th\u1ef1c t\u1ebf <\/span>SPF 30 hay SPF 50 t\u1ed1t h\u01a1n<\/b>?<\/span><\/p>\n

      Nh\u00ecn v\u00e0o t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m \u1edf tr\u00ean, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 gi\u1eefa SPF 30 (97%) v\u00e0 SPF 50 (98%) ch\u1ec9 l\u00e0 <\/span>1%<\/b>. Ch\u1ec9 s\u1ed1 SPF 50 kh\u00f4ng h\u1ec1 b\u1ea3o v\u1ec7 da g\u1ea5p \u0111\u00f4i SPF 30 nh\u01b0 nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn ngh\u0129.<\/span><\/p>\n

      Theo khuy\u1ebfn c\u00e1o c\u1ee7a Vi\u1ec7n Da li\u1ec5u Hoa K\u1ef3 (AAD), c\u00e1c lo\u1ea1i kem ch\u1ed1ng n\u1eafng c\u00f3 SPF t\u1eeb 30 \u0111\u1ebfn 50 l\u00e0 m\u1ee9c \u0111\u1ed9 l\u00fd t\u01b0\u1edfng nh\u1ea5t cho l\u00e0n da.<\/span><\/p>\n

      2.3. Ch\u1ec9 s\u1ed1 PA l\u00e0 g\u00ec?<\/b><\/h3>\n

      N\u1ebfu SPF d\u00f9ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng UVB, th\u00ec <\/span>PA l\u00e0 g\u00ec<\/b>? PA l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a <\/span>Protection Grade of UVA<\/span><\/i> – Ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 l\u00e0n da kh\u1ecfi tia <\/span>UVA<\/b> (tia g\u00e2y l\u00e3o h\u00f3a, s\u1ea1m n\u00e1m). H\u1ec7 th\u1ed1ng \u0111\u00e1nh gi\u00e1 PA \u0111\u01b0\u1ee3c Hi\u1ec7p h\u1ed9i M\u1ef9 ph\u1ea9m Nh\u1eadt B\u1ea3n ph\u00e1t tri\u1ec3n v\u00e0 hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean to\u00e0n ch\u00e2u \u00c1, trong \u0111\u00f3 c\u00f3 Vi\u1ec7t Nam.<\/span><\/p>\n

      Kh\u00e1c v\u1edbi SPF d\u00f9ng con s\u1ed1, ch\u1ec9 s\u1ed1 PA \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng c\u00e1c d\u1ea5u c\u1ed9ng (+). S\u1ed1 l\u01b0\u1ee3ng d\u1ea5u c\u1ed9ng c\u00e0ng nhi\u1ec1u, kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 da tr\u01b0\u1edbc tia UVA c\u00e0ng m\u1ea1nh m\u1ebd.<\/span><\/p>\n

      2.4. PA+++ l\u00e0 g\u00ec? Ph\u00e2n lo\u1ea1i c\u00e1c m\u1ee9c \u0111\u1ed9 PA hi\u1ec7n nay<\/b><\/h3>\n

      \u0110\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 \u00fd ngh\u0129a c\u1ee7a t\u1eebng c\u1ea5p \u0111\u1ed9 PA:<\/span><\/p>\n

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      • PA+<\/b>: C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia UVA \u1edf m\u1ee9c \u0111\u1ed9 t\u1eeb 40 – 50%. (M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u01a1 b\u1ea3n, th\u01b0\u1eddng th\u1ea5y trong c\u00e1c s\u1ea3n ph\u1ea9m kem d\u01b0\u1ee1ng c\u00f3 t\u00edch h\u1ee3p ch\u1ed1ng n\u1eafng nh\u1eb9).<\/span><\/li>\n
      • PA++<\/b>: C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia UVA \u1edf m\u1ee9c \u0111\u1ed9 t\u1eeb 60 – 70%. Th\u1eddi gian l\u1ecdc tia UVA kho\u1ea3ng 4 – 6 gi\u1edd.<\/span><\/li>\n
      • PA+++ l\u00e0 g\u00ec?<\/b>: \u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi th\u1eafc m\u1eafc v\u00ec n\u00f3 xu\u1ea5t hi\u1ec7n tr\u00ean h\u1ea7u h\u1ebft c\u00e1c bao b\u00ec m\u1ef9 ph\u1ea9m. <\/span>PA+++<\/b> th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng tia UVA t\u1ed1t, ng\u0103n ch\u1eb7n \u0111\u01b0\u1ee3c kho\u1ea3ng <\/span>87 – 92%<\/b> tia UVA. Th\u1eddi gian b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 8 – 12 gi\u1edd. \u0110\u00e2y l\u00e0 m\u1ee9c ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 r\u1ea5t l\u00fd t\u01b0\u1edfng cho sinh ho\u1ea1t, l\u00e0m vi\u1ec7c h\u00e0ng ng\u00e0y.<\/span><\/li>\n
      • PA++++<\/b>: C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia UVA c\u1ef1c k\u1ef3 xu\u1ea5t s\u1eafc, l\u00ean t\u1edbi tr\u00ean 95%. Th\u1eddi gian b\u1ea3o v\u1ec7 tr\u00ean 16 gi\u1edd. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 ch\u1ed1ng UVA ti\u00ean ti\u1ebfn nh\u1ea5t hi\u1ec7n nay, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho nh\u1eefng ng\u01b0\u1eddi c\u00f3 l\u00e0n da \u0111ang \u0111i\u1ec1u tr\u1ecb treatment (Retinol, BHA\/AHA), da d\u1ec5 b\u1ecb t\u0103ng s\u1eafc t\u1ed1 ho\u1eb7c ng\u01b0\u1eddi l\u00e0m vi\u1ec7c ngo\u00e0i tr\u1eddi nhi\u1ec1u.<\/span><\/li>\n<\/ul>\n

        3. H\u01b0\u1edbng D\u1eabn C\u00e1ch Ch\u1ecdn Kem Ch\u1ed1ng N\u1eafng Chu\u1ea9n Khoa H\u1ecdc Cho T\u1eebng Nhu C\u1ea7u<\/b><\/h2>\n

        Ch\u1ec9 hi\u1ec3u c\u00e1c ch\u1ec9 s\u1ed1 th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7, <\/span>c\u00e1ch ch\u1ecdn kem ch\u1ed1ng n\u1eafng<\/b> sao cho t\u01b0\u01a1ng th\u00edch ho\u00e0n h\u1ea3o v\u1edbi l\u00e0n da v\u00e0 l\u1ed1i s\u1ed1ng c\u1ee7a b\u1ea1n m\u1edbi l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 c\u00f3 m\u1ed9t l\u00e0n da kh\u1ecfe \u0111\u1eb9p. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng nguy\u00ean t\u1eafc v\u00e0ng b\u1ea1n c\u1ea7n ghi nh\u1edb:<\/span><\/p>\n

        \"\"
        H\u01b0\u1edbng D\u1eabn C\u00e1ch Ch\u1ecdn Kem Ch\u1ed1ng N\u1eafng Chu\u1ea9n Khoa H\u1ecdc Cho T\u1eebng Nhu C\u1ea7u<\/figcaption><\/figure>\n

        3.1. Lu\u00f4n \u01b0u ti\u00ean “Kem ch\u1ed1ng n\u1eafng ph\u1ed5 r\u1ed9ng” (Broad Spectrum)<\/b><\/h3>\n

        Nh\u01b0 \u0111\u00e3 ph\u00e2n t\u00edch \u1edf ph\u1ea7n <\/span>UVA v\u00e0 UVB kh\u00e1c nhau th\u1ebf n\u00e0o<\/b>, ch\u00fang ta c\u1ea7n b\u1ea3o v\u1ec7 da kh\u1ecfi c\u1ea3 hai lo\u1ea1i tia n\u00e0y. M\u1ed9t s\u1ea3n ph\u1ea9m ch\u1ec9 c\u00f3 ch\u1ec9 s\u1ed1 SPF cao nh\u01b0ng thi\u1ebfu ch\u1ec9 s\u1ed1 PA s\u1ebd khi\u1ebfn da b\u1ea1n kh\u00f4ng b\u1ecb \u0111en \u0111i, nh\u01b0ng l\u1ea1i nh\u0103n nheo v\u00e0 l\u00e3o h\u00f3a nhanh ch\u00f3ng.\u00a0<\/span><\/p>\n

        V\u00ec v\u1eady, nguy\u00ean t\u1eafc s\u1ed1 1 trong c\u00e1ch ch\u1ecdn kem ch\u1ed1ng n\u1eafng l\u00e0 lu\u00f4n t\u00ecm ki\u1ebfm d\u00f2ng ch\u1eef Kem ch\u1ed1ng n\u1eafng ph\u1ed5 r\u1ed9ng (Broad Spectrum) ho\u1eb7c \u0111\u1ea3m b\u1ea3o tr\u00ean bao b\u00ec hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng c\u1ea3 hai ch\u1ec9 s\u1ed1 SPF v\u00e0 PA (v\u00ed d\u1ee5: SPF 50+ \/ PA++++ nh\u01b0 d\u00f2ng KOR Ultra Light).<\/span><\/p>\n

        3.2. C\u00e1ch ch\u1ecdn kem ch\u1ed1ng n\u1eafng theo lo\u1ea1i da<\/b><\/h3>\n

        M\u1ed7i l\u00e0n da c\u00f3 m\u1ed9t “t\u00ednh c\u00e1ch” ri\u00eang v\u00e0 c\u1ea7n m\u1ed9t m\u00e0ng l\u1ecdc ph\u00f9 h\u1ee3p:<\/span><\/p>\n

          \n
        • \u0110\u1ed1i v\u1edbi da d\u1ea7u, h\u1ed7n h\u1ee3p thi\u00ean d\u1ea7u:<\/b> Tr\u00e1nh xa c\u00e1c lo\u1ea1i kem c\u00f3 k\u1ebft c\u1ea5u \u0111\u1eb7c (cream). H\u00e3y t\u00ecm c\u00e1c t\u1eeb kh\u00f3a nh\u01b0 <\/span>Oil-free<\/span><\/i> (kh\u00f4ng ch\u1ee9a d\u1ea7u), <\/span>Non-comedogenic<\/span><\/i> (kh\u00f4ng g\u00e2y b\u00edt t\u1eafc l\u1ed7 ch\u00e2n l\u00f4ng), <\/span>Matte finish<\/span><\/i> (l\u1edbp ph\u1ee7 r\u00e1o m\u1ecbn). C\u00e1c d\u1ea1ng s\u1eefa l\u1ecfng (milk), d\u1ea1ng gel ho\u1eb7c d\u00f2ng Ultra Light c\u1ee7a KOR s\u1ebd l\u00e0 ch\u00e2n \u00e1i gi\u00fap da kh\u00f4ng b\u1ecb ch\u1ea3y nh\u00e3o nh\u01b0 ch\u1ea3o m\u1ee1 v\u00e0o gi\u1eefa tr\u01b0a.<\/span><\/li>\n
        • \u0110\u1ed1i v\u1edbi da kh\u00f4:<\/b> Da kh\u00f4 r\u1ea5t d\u1ec5 xu\u1ea5t hi\u1ec7n n\u1ebfp nh\u0103n n\u1ebfu b\u1ecb m\u1ea5t n\u01b0\u1edbc d\u01b0\u1edbi n\u1eafng. H\u00e3y ch\u1ecdn kem ch\u1ed1ng n\u1eafng c\u00f3 b\u1ed5 sung c\u00e1c th\u00e0nh ph\u1ea7n d\u01b0\u1ee1ng \u1ea9m s\u00e2u nh\u01b0 Hyaluronic Acid, Ceramide, Glycerin. K\u1ebft c\u1ea5u d\u1ea1ng kem (cream) s\u1ebd gi\u00fap t\u1ea1o m\u00e0ng kh\u00f3a \u1ea9m b\u1ea3o v\u1ec7 da t\u1ed1t h\u01a1n.<\/span><\/li>\n
        • \u0110\u1ed1i v\u1edbi da nh\u1ea1y c\u1ea3m, da m\u1ee5n:<\/b> L\u00e0n da n\u00e0y c\u1ea7n s\u1ef1 n\u00e2ng niu tuy\u1ec7t \u0111\u1ed1i. B\u1ea1n n\u00ean \u01b0u ti\u00ean kem ch\u1ed1ng n\u1eafng v\u1eadt l\u00fd (ch\u1ee9a Zinc Oxide v\u00e0 Titanium Dioxide) v\u00ec ch\u00fang \u00edt g\u00e2y k\u00edch \u1ee9ng h\u01a1n c\u00e1c m\u00e0ng l\u1ecdc h\u00f3a h\u1ecdc. Kh\u00f4ng ch\u1ecdn s\u1ea3n ph\u1ea9m c\u00f3 ch\u1ee9a c\u1ed3n kh\u00f4 (Alcohol) hay h\u01b0\u01a1ng li\u1ec7u m\u1ea1nh (Fragrance).<\/span><\/li>\n<\/ul>\n

          3.3. Ch\u1ecdn theo m\u00f4i tr\u01b0\u1eddng sinh ho\u1ea1t<\/b><\/h3>\n
            \n
          • D\u00e2n v\u0103n ph\u00f2ng, h\u1ecdc sinh sinh vi\u00ean:<\/b> N\u1ebfu b\u1ea1n ch\u1ee7 y\u1ebfu ng\u1ed3i trong nh\u00e0, l\u00e0m vi\u1ec7c v\u1edbi m\u00e1y t\u00ednh, m\u1ed9t s\u1ea3n ph\u1ea9m kem ch\u1ed1ng n\u1eafng ph\u1ed5 r\u1ed9ng v\u1edbi <\/span>ch\u1ec9 s\u1ed1 SPF v\u00e0 PA<\/b> \u1edf m\u1ee9c SPF 30 \u0111\u1ebfn SPF 50, PA+++ l\u00e0 ho\u00e0n to\u00e0n \u0111\u1ee7 d\u00f9ng.<\/span><\/li>\n
          • Ng\u01b0\u1eddi l\u00e0m vi\u1ec7c ngo\u00e0i tr\u1eddi, \u0111i b\u01a1i, \u0111i bi\u1ec3n:<\/b> L\u00fac n\u00e0y, b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i d\u00f9ng SPF 50, PA++++ tr\u1edf l\u00ean. Quan tr\u1ecdng nh\u1ea5t, h\u00e3y t\u00ecm th\u00eam d\u00f2ng ch\u1eef <\/span>Water Resistant<\/span><\/i> (Kh\u00e1ng n\u01b0\u1edbc) ho\u1eb7c <\/span>Sweat Resistant<\/span><\/i> (Kh\u00e1ng m\u1ed3 h\u00f4i) \u0111\u1ec3 l\u1edbp kem kh\u00f4ng b\u1ecb tr\u00f4i \u0111i nhanh ch\u00f3ng.<\/span><\/li>\n<\/ul>\n

            4. Nh\u1eefng Sai L\u1ea7m Tai H\u1ea1i Ph\u1ed5 Bi\u1ebfn Khi S\u1eed D\u1ee5ng Kem Ch\u1ed1ng N\u1eafng<\/b><\/h2>\n

            S\u1edf h\u1eefu m\u1ed9t tu\u00fdp kem ch\u1ed1ng n\u1eafng t\u1ed1t nh\u01b0 KOR Ultra Light Daily Sunscreen l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn, nh\u01b0ng n\u1ebfu s\u1eed d\u1ee5ng sai c\u00e1ch, hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7 s\u1ebd gi\u1ea3m \u0111i m\u1ed9t n\u1eeda, th\u1eadm ch\u00ed b\u1eb1ng kh\u00f4ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ed7i sai kinh \u0111i\u1ec3n b\u1ea1n c\u1ea7n tr\u00e1nh:<\/span><\/p>\n

            \"\"
            Nh\u1eefng Sai L\u1ea7m Tai H\u1ea1i Ph\u1ed5 Bi\u1ebfn Khi S\u1eed D\u1ee5ng Kem Ch\u1ed1ng N\u1eafng<\/figcaption><\/figure>\n
              \n
            1. B\u00f4i kh\u00f4ng \u0111\u1ee7 l\u01b0\u1ee3ng kem:<\/b> L\u01b0\u1ee3ng kem ti\u00eau chu\u1ea9n cho to\u00e0n b\u1ed9 khu\u00f4n m\u1eb7t l\u00e0 kho\u1ea3ng 1.2 gram (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng k\u00edch th\u01b0\u1edbc 1 \u0111\u1ed3ng xu ho\u1eb7c thoa d\u1ecdc theo 2 \u0111\u1ed1t ng\u00f3n tay).\u00a0<\/span><\/li>\n
            2. Ch\u1ec9 b\u00f4i m\u1ed9t l\u1ea7n v\u00e0o bu\u1ed5i s\u00e1ng:<\/b> H\u00e3y <\/span>thoa l\u1ea1i kem ch\u1ed1ng n\u1eafng (reapply)<\/b> sau m\u1ed7i 2 – 3 gi\u1edd n\u1ebfu \u1edf ngo\u00e0i tr\u1eddi, v\u00e0 sau 4 – 5 gi\u1edd n\u1ebfu ng\u1ed3i v\u0103n ph\u00f2ng.<\/span><\/li>\n
            3. B\u00f4i kem r\u1ed3i ra n\u1eafng ngay:<\/b> \u0110\u1ed1i v\u1edbi kem ch\u1ed1ng n\u1eafng h\u00f3a h\u1ecdc ho\u1eb7c lai v\u1eadt l\u00fd h\u00f3a h\u1ecdc, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n th\u1eddi gian th\u1ea9m th\u1ea5u v\u00e0o da \u0111\u1ec3 k\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng m\u00e0ng l\u1ecdc b\u1ea3o v\u1ec7. Thoa kem t\u1eeb 15 \u0111\u1ebfn 20 ph\u00fat tr\u01b0\u1edbc khi b\u01b0\u1edbc ra kh\u1ecfi c\u1eeda.<\/span><\/li>\n
            4. Ch\u1ec9 d\u1ef1a v\u00e0o m\u1ef9 ph\u1ea9m trang \u0111i\u1ec3m c\u00f3 t\u00edch h\u1ee3p SPF:<\/b> R\u1ea5t nhi\u1ec1u kem n\u1ec1n, cushion ghi ch\u00fa c\u00f3 SPF 50 PA+++. Tuy nhi\u00ean, l\u01b0\u1ee3ng cushion b\u1ea1n d\u1eb7m l\u00ean m\u1eb7t l\u00e0 qu\u00e1 m\u1ecfng, b\u1ea1n v\u1eabn b\u1eaft bu\u1ed9c ph\u1ea3i thoa m\u1ed9t l\u1edbp kem ch\u1ed1ng n\u1eafng chuy\u00ean d\u1ee5ng tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/li>\n
            5. B\u1ecf qu\u00ean v\u00f9ng c\u1ed5 v\u00e0 quanh m\u1eaft:<\/b> Tia UV kh\u00f4ng ch\u1eeba m\u1ed9t v\u00f9ng da n\u00e0o. V\u00f9ng c\u1ed5 nh\u0103n nheo, s\u1ea1m \u0111en hay v\u00f9ng m\u1eaft nhi\u1ec1u v\u1ebft ch\u00e2n chim s\u1ebd t\u1ed1 c\u00e1o tu\u1ed5i t\u00e1c c\u1ee7a b\u1ea1n r\u00f5 nh\u1ea5t. Khi thoa kem ch\u1ed1ng n\u1eafng, \u0111\u1eebng qu\u00ean t\u00e1n \u0111\u1ec1u xu\u1ed1ng v\u00f9ng c\u1ed5, g\u00e1y v\u00e0 ph\u1ea7n mang tai.<\/span><\/li>\n<\/ol>\n

              T\u1ed5ng K\u1ebft<\/b><\/h2>\n

              Cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i s\u1ef1 t\u00e0n ph\u00e1 c\u1ee7a th\u1eddi gian v\u00e0 m\u00f4i tr\u01b0\u1eddng b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 s\u1ef1 g\u00f3p m\u1eb7t c\u1ee7a kem ch\u1ed1ng n\u1eafng. Hy v\u1ecdng qua b\u00e0i vi\u1ebft chuy\u00ean s\u00e2u n\u00e0y, KOR \u0111\u00e3 gi\u00fap b\u1ea1n gi\u1ea3i \u0111\u00e1p c\u1eb7n k\u1ebd th\u1eafc m\u1eafc <\/span>SPF l\u00e0 g\u00ec<\/b>, <\/span>PA l\u00e0 g\u00ec<\/b>, c\u0169ng nh\u01b0 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c n\u1ed7i b\u0103n kho\u0103n <\/span>SPF 30 hay SPF 50 t\u1ed1t h\u01a1n<\/b>.<\/span><\/p>\n

              Vi\u1ec7c n\u1eafm v\u1eefng <\/span>c\u00e1ch ch\u1ecdn kem ch\u1ed1ng n\u1eafng<\/b> ch\u00ednh l\u00e0 b\u1ea1n \u0111ang l\u00e0m ch\u1ee7 s\u1ee9c kh\u1ecfe l\u00e0n da c\u1ee7a m\u00ecnh. H\u00e3y nh\u1edb lu\u00f4n t\u00ecm ki\u1ebfm c\u00e1c lo\u1ea1i <\/span>kem ch\u1ed1ng n\u1eafng ph\u1ed5 r\u1ed9ng<\/b> \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 hi\u1ec7u qu\u1ea3 v\u1edbi s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a <\/span>UVA v\u00e0 UVB<\/b>.<\/span><\/p>\n

              V\u00e0 n\u1ebfu b\u1ea1n v\u1eabn \u0111ang loay hoay t\u00ecm ki\u1ebfm m\u1ed9t ch\u00e2n \u00e1i th\u1ecfa m\u00e3n m\u1ecdi ti\u00eau ch\u00ed: Ch\u1ec9 s\u1ed1 b\u1ea3o v\u1ec7 quang ph\u1ed5 r\u1ed9ng ho\u00e0n h\u1ea3o (SPF 50+ PA++++), k\u1ebft c\u1ea5u kem d\u1ec5 t\u00e1n n\u00e2ng tone c\u0103ng b\u00f3ng, kh\u00f4ng g\u00e2y b\u00edt t\u1eafc l\u1ed7 ch\u00e2n l\u00f4ng v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi l\u00e0n da Vi\u1ec7t, th\u00ec <\/span>KOR Ultra Light Daily Sunscreen<\/b> ch\u1eafc ch\u1eafn l\u00e0 s\u1ef1 \u0111\u1ea7u t\u01b0 x\u1ee9ng \u0111\u00e1ng nh\u1ea5t cho quy tr\u00ecnh ch\u0103m s\u00f3c da m\u1ed7i s\u00e1ng c\u1ee7a b\u1ea1n. H\u00e3y b\u1ea3o v\u1ec7 da ngay h\u00f4m nay \u0111\u1ec3 \u0111\u00f3n nh\u1eadn m\u1ed9t l\u00e0n da kh\u00f4ng tu\u1ed5i trong t\u01b0\u01a1ng lai!<\/span><\/p>\n

              \"\"
              Kem ch\u1ed1ng n\u1eafng KOR KOR Ultra Light Daily Sunscreen<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"

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